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Staphylococcus and Streptococcus flashcard set
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Staphylococcus and Streptococcus flashcard set
Staphylococcus and Streptococcus flashcard set
Study
1
Question
What is the shape of Staphylococcus aureus?
Page 1
Answer
Gram-positive cocci in grape-like clusters
2
Question
What color does Staphylococcus aureus produce on nutrient agar?
Page 1
Answer
Yellow colonies
3
Question
How does Staphylococcus aureus appear on blood agar?
Page 1
Answer
Beta hemolysis
4
Question
What is the appearance of Staphylococcus aureus on mannitol salt agar?
Page 1
Answer
Yellow colonies
5
Question
What test is positive for Staphylococcus aureus due to its enzyme production?
Page 1
Answer
Catalase positive
6
Question
What specific test confirms Staphylococcus aureus?
Page 1
Answer
Coagulase positive
7
Question
What surface protein helps Staphylococcus aureus evade the immune system?
Page 1
Answer
Clumping factor
8
Question
What protein on Staphylococcus aureus binds to IgG?
Page 1
Answer
Protein A
9
Question
What toxin causes hemolysis in Staphylococcus aureus infections?
Page 1
Answer
Hemolysins
10
Question
What enterotoxin is produced by Staphylococcus aureus leading to food poisoning?
Page 1
Answer
TSST (Toxic Shock Syndrome Toxin)
11
Question
What skin condition is caused by exfoliatin toxin from Staphylococcus aureus?
Page 1
Answer
Scalded Skin Syndrome (SSSS)
12
Question
What are common transmission modes for Staphylococcus aureus?
Page 1
Answer
Fomites, hands
13
Question
What skin infection is commonly caused by Staphylococcus aureus?
Page 1
Answer
Skin infections
14
Question
What respiratory disease can Staphylococcus aureus cause?
Page 1
Answer
Pneumonia
15
Question
What gastrointestinal issue results from Staphylococcus aureus enterotoxin?
Page 1
Answer
Food poisoning
16
Question
What systemic condition is linked to TSST from Staphylococcus aureus?
Page 1
Answer
Toxic shock syndrome
17
Question
What is the primary resistance pattern of Staphylococcus aureus to penicillin?
Page 1
Answer
95% penicillin resistant
18
Question
What is the treatment for MRSA (Methicillin-resistant Staphylococcus aureus)?
Page 1
Answer
Vancomycin
19
Question
What alternative treatment is used for VRSA (Vancomycin-resistant Staphylococcus aureus)?
Page 1
Answer
Linezolid or Streptogramins
20
Question
What is the main prevention strategy for Staphylococcus aureus infections?
Page 1
Answer
Hand hygiene
21
Question
What is the hemolysis pattern of Staphylococcus epidermidis on blood agar?
Page 1
Answer
Gamma hemolysis
22
Question
What color does Staphylococcus epidermidis produce on mannitol salt agar?
Page 1
Answer
Pink colonies
23
Question
What is the role of Staphylococcus epidermidis in the human body?
Page 1
Answer
Normal skin flora
24
Question
What virulence factor aids Staphylococcus epidermidis in device infections?
Page 1
Answer
Glycocalyx (biofilm)
25
Question
What type of infections are associated with Staphylococcus epidermidis?
Page 1
Answer
Endogenous device-related infections
26
Question
What antibiotic sensitivity distinguishes Staphylococcus epidermidis?
Page 1
Answer
Novobiocin sensitive
27
Question
Where is Staphylococcus saprophyticus part of normal flora?
Page 1
Answer
Genitourinary tract
28
Question
What type of cystitis is linked to Staphylococcus saprophyticus?
Page 1
Answer
Honeymoon cystitis
29
Question
What antibiotic resistance characterizes Staphylococcus saprophyticus?
Page 1
Answer
Novobiocin resistant
30
Question
What is the shape of Streptococcus pyogenes?
Page 1
Answer
Gram-positive cocci in chains